[PATCH v2 0/3] drm/i915: Support bigger GuC RSA keys

[Daniele Ceraolo Spurio]

On 12/10/2021 4:07 PM, Daniele Ceraolo Spurio wrote:
> Some of the newer platforms use a bigger RSA key to authenticate the GuC,
> which is provided to the HW via a ggtt-pinned object instead of mmio.
>
> While doing the changes for this I've also spotted an inconsistency in
> the error status of the fw on init failure, so I've added a path to fix
> that as well.
>
> v2: clarify in comments that the expected RSA size is hardcoded in the
> bootrom (Matt)

I've confirmed with Matt that he's ok with the updated comment and pushed.

Daniele

>
> Cc: Michal Wajdeczko <michal.wajdeczko at intel.com>
> Cc: John Harrison <John.C.Harrison at Intel.com>
> Cc: Matthew Brost <matthew.brost at intel.com>
>
> Daniele Ceraolo Spurio (2):
>    drm/i915/uc: correctly track uc_fw init failure
>    drm/i915/guc: support bigger RSA keys
>
> Michal Wajdeczko (1):
>    drm/i915/uc: Prepare for different firmware key sizes
>
>   drivers/gpu/drm/i915/gt/uc/intel_guc_fw.c | 33 ++++++--
>   drivers/gpu/drm/i915/gt/uc/intel_huc.c    | 75 +-----------------
>   drivers/gpu/drm/i915/gt/uc/intel_huc.h    |  2 -
>   drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c  | 95 ++++++++++++++++++++---
>   drivers/gpu/drm/i915/gt/uc/intel_uc_fw.h  | 18 +++--
>   5 files changed, 128 insertions(+), 95 deletions(-)
>